On a Thursday evening in late October 2009, Cleveland Police detectives arrived at the home of Anthony Sowell--an ex-Marine and a registered sex offender--to arrest him on week-old rape charges. But this was no ordinary house, nor would it be a routine arrest. For even though Sowell was not at home, officers knew immediately something was horribly wrong. After initially finding two rotting corpses inside the home, their investigation would lead them...